package com.tian;


import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;

@Configuration
public class CorsConfig {

    public CorsConfig() {
    }
    @Bean
    public CorsFilter corsFilter(){
        //1.添加cors配置信息
        CorsConfiguration configuration=new CorsConfiguration();
//        configuration.addAllowedOrigin("http://localhost:8080");
//        configuration.addAllowedOrigin("http://169.254.42.106:8080");
//        configuration.addAllowedOrigin("http://169.254.42.106");
        configuration.addAllowedOrigin("*");


        //设置是否发送cookie信息
        configuration.setAllowCredentials(true);

        //设置允许请求的方式
        configuration.addAllowedMethod("*");

        //设置允许的header
        configuration.addAllowedHeader("*");

        //2.为url添加映射路径
        UrlBasedCorsConfigurationSource source=new UrlBasedCorsConfigurationSource();
        source.registerCorsConfiguration("/**",configuration);

        //3.返回重新定义好的corsSource
        return new CorsFilter(source);
    }
}
